Answer: different microscopes have two optical paths but some are put at different angles which makes thee view different.
Explanation: lol idk I just remember learning about them in 7th grade
Myelinated axons are insulated by myelin, and are therefore more effective
The difference between a controlled variable and a constant is that a constant variable does not change through the experiment and a controlled variable can change.
Answer: Cellulose, a component of plant cell walls, is the most abundant organic compound found on earth.
Explanation:
The antibiotic penicillin is isolated from <u><em>Penicillium notatum</em></u> fungi
Penicillin was first discovered in 1928 and was used at St. Mary's Hospital, London, by Alexander Fleming to heal wounds due to its antibacterial properties.
Explanation:
Fungi and bacteria usually produce antibiotics (as secondary metabolites) for defense mechanism. They do so to limit competition for resources with other neighboring fungi or bacteria in their environment. This is why when a fungus or bacteria establishes itself in an environment, you hardly see other fungi or bacteria types growing in their vicinity.
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For more on antibiotics check out;
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